Oral cavity, pharynx and oesophagus
-digestion begins in oral cavity
-chewing breaks food into small
pieces
-salivary glands make saliva
-saliva has water, mucus, and enzyme
-Enzyme in saliva breaks down starch
-Swallowing: Food via pharynx to
oesophagus - uvula and epiglottis closed
-Peristalsis moves food to stomach